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PROPOSED AIR SPARGINGIVAPOR EXTRACTION NESTED WELL <br /> MONTGOMERY WARD AUTO SERVICE CENTER <br /> STOCKTON, CALIFORNIA <br /> AIR SPARGING WELL <br /> Diameter 1' <br /> 10' - Total Depth 60 feet bgs <br /> Sreen Length from 59 to 60 feet bgs <br /> Slots 0 01 inch <br /> Material PVC Sch 80 <br /> 20' Packing Monterey 43 <br /> from 60 to 50 feet bgs <br /> Seal Coated Bentonite <br /> from 55 to 35 feet bgs <br /> 30' VAPOR EXTRACTION WELL <br /> Diameter 3' <br /> _ Total Depth 35 feet bgs <br /> Sreen Length from 10 to 35 feet bgs <br /> 40' Slots 0 04 inch <br /> If <br /> ~ Material PVC Sch 40 <br /> W� <br /> Packing Monterey #3 <br /> from 8 to 35 feet bgs <br /> 50' Seal Bentonite <br /> from 3 to 8 feet bgs <br /> C°CSC <br /> Cc <br /> °c°,000n <br /> nn Boring Diameter 10 inches <br /> r°o <br /> °cao°���� <br /> b0 Well Box 21 x 27 x 1 <br /> I� <br /> Figure 1 <br /> ENVIRONMENTAL AUDIT,INC <br />